Countersinking, Counterboring And Spot Facing
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The methods and sequences followed when setting up a vertical drill for different produc- tion jobs. The first piece is 3/16th by 2 inch steel which must be drilled and countersunk. The second piece is a small cast-iron pedestal, the hub of which must be drilled and counter- bored and the base drilled and spotfaced.
Complete catalog record
Demonstrates machine shop setup and procedures for counterboring and spot-facing; emphasizes production planning and tool efficiency.
More in Machine Shop Work Series Operations on the Drill Press
- Countersinking, Counterboring And Spot Facing 1942
- Drilling And Tapping Cast Steel 1942
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Sources
- 16mm Filmography (legacy record) — title, year, format, sound
- usgov-av-1974 — title, year, creator, length, color, sound, description
- Educational Film Guide 1946 — title, year, creator, length, format, sound, description, catalog record
- 3434 U.S. Government Films — title, year, creator, length, format, description, catalog record
- 16mm Filmography editors — creator, description, catalog record
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